From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Thu, 17 Sep 2015 09:24:57 +0000 (+0800)
Subject: sim: variables are deprecated
X-Git-Tag: 24jan2021_ls180~2099^2~3^2~75
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9d3fd50950a9166176d3ebaa88121ef3dcced857;p=litex.git

sim: variables are deprecated
---

diff --git a/migen/sim.py b/migen/sim.py
index 37882d6a..c6ddea55 100644
--- a/migen/sim.py
+++ b/migen/sim.py
@@ -110,6 +110,7 @@ class Evaluator:
             raise NotImplementedError
 
     def assign(self, signal, value):
+        assert not signal.variable
         value = value & (2**signal.nbits - 1)
         if signal.signed and (value & 2**(signal.nbits - 1)):
             value -= 2**signal.nbits